7(5+2x)=-21

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Solution for 7(5+2x)=-21 equation: 


Simplifying
7(5 + 2x) = -21
(5 * 7 + 2x * 7) = -21
(35 + 14x) = -21

Solving
35 + 14x = -21

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-35' to each side of the equation.
35 + -35 + 14x = -21 + -35

Combine like terms: 35 + -35 = 0
0 + 14x = -21 + -35
14x = -21 + -35

Combine like terms: -21 + -35 = -56
14x = -56

Divide each side by '14'.
x = -4

Simplifying
x = -4

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